DeltaABC में, (b^(2)-c^(2))/(asecA)+(c^(2)-a^(2))/(bsecB)+(a^(2)-b^( 2))/(csecC)= | कक्षा 12 | ...

In a DeltaABC , (b^(2)-c^(2))/(asecA)+(c^(2)-a^(2))/(bsecB)+(a^(2)-b^(2))/(csecC)=

In any DeltaABC , prove that (b^(2)-c^(2))cotA+(c^(2)+a^(2))cotB+(a^(2)-b^(2))cotC=0 .

In a DeltaABC (bsin(C-A))/(c^(2)-a^(2))+(csin(A-B))/(a^(2)-b^(2))=

In any DeltaABC , prove that ((b^(2)-c^(2)))/a^(2)"sin 2a"+((c^(2)-a^(2)))/b^(2)" sin 2B+"((a^(2)-b^(2)))/c^(2)"sin 2C=0"

In DeltaABC , prove that: (b^(2)-c^(2)+a^(2))tanC=(b^(2)+c^(2)-a^(2))tanA

In DeltaABC,(a-b)^(2)cos^(2).(C)/(2)+(a+b)^(2)sin^(2).(C)/(2) =

In DeltaABC,("cos"^(2)(A)/(2))/(a)+("cos"^(2)(B)/(2))/(b)+("cos"^(2)(C)/(2))/(c) is equal to

In DeltaABC , prove that: (b-c)^(2)cos^(2)A/2+(b+c)^(2)sin^(2)A/2=a^(2)

In a DeltaABC, (c^(2)+a^(2)-b^(2))tanB+(a^(2)+b^(2)-c^(2))tanC=

In a DeltaABC , if DeltaC = 60° , then b/(c^(2)-a^(2))+a/(c^(2)-b^(2))=